Fix script when CLEAN_DIB_IMAGES var is not set

It relies on this var being exported, and if the script
is ran manually and this var is not set, it crashes. Adding
a default to this var to avoid this failure.

Change-Id: I5c61a1d9f1aafe2d6c64af70d3237b6c5b0d1e1d
Signed-Off-By: Yolanda Robla <yroblamo@redhat.com>

diff --git a/prototypes/bifrost/scripts/destroy-env.sh b/prototypes/bifrost/scripts/destroy-env.sh
index 4dffee6..f092a65 100755 (executable)
--- a/prototypes/bifrost/scripts/destroy-env.sh
+++ b/prototypes/bifrost/scripts/destroy-env.sh
@@ -27,6 +27,8 @@ echo "removing logs"
 rm -rf /var/log/libvirt/baremetal_logs/*.log
 
 # clean up dib images only if requested explicitly
+CLEAN_DIB_IMAGES=${CLEAN_DIB_IMAGES:-false}
+
 if [ $CLEAN_DIB_IMAGES = "true" ]; then
     rm -rf /httpboot/*
     rm -rf /tftpboot/*